SB2026031922 - Remote code execution in Langflow
Published: March 19, 2026
Security Bulletin ID
SB2026031922
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) External Control of File Name or Path (CVE-ID: CVE-2026-33309)
CWE-ID: CWE-73 - External Control of File Name or Path
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to write arbitrary files.
The vulnerability exists due to external control of file name or path within LocalStorageService. A remote user can write files anywhere on the host system and execute arbitrary code on the target system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.